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obligatory
2 thesaurus results for: obligatory
Synonym Collection v1.1
Main Entry: obligatory
Part of Speech: adjective
Synonyms: binding, coercive, compulsory, essential, imperative, incumbent, irremissible, mandatory, necessary, required, unavoidable
Antonyms: discretional, optional
Synonym Collection v1.1
Copyright © 2008 by Lexico Publishing Group, LLC.
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Roget's II: The New Thesaurus
Main Entry: required
Part of Speech: adjective
Definition: Imposed on one by authority, command, or convention.
Synonyms: compulsory, imperative, mandatory, necessary, requisite
Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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